78629980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1499

約数の個数: 96

約数和(自身を含む): 204341760

約数和(自身を除く): 125711780

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 1447, 2090, 2470, 2717, 2860, 2894, 4180, 4940, 5434, 5788, 7235, 10868, 13585, 14470, 15917, 18811, 27170, 27493, 28940, 31834, 37622, 54340, 54986, 63668, 75244, 79585, 94055, 109972, 137465, 159170, 188110, 206921, 274930, 302423, 318340, 357409, 376220, 413842, 549860, 604846, 714818, 827684, 1034605, 1209692, 1429636, 1512115, 1787045, 2069210, 3024230, 3574090, 3931499, 4138420, 6048460, 7148180, 7862998, 15725996, 19657495, 39314990, 78629980]

約数ペア:

[(1, 78629980), (2, 39314990), (4, 19657495), (5, 15725996), (10, 7862998), (11, 7148180), (13, 6048460), (19, 4138420), (20, 3931499), (22, 3574090), (26, 3024230), (38, 2069210), (44, 1787045), (52, 1512115), (55, 1429636), (65, 1209692), (76, 1034605), (95, 827684), (110, 714818), (130, 604846), (143, 549860), (190, 413842), (209, 376220), (220, 357409), (247, 318340), (260, 302423), (286, 274930), (380, 206921), (418, 188110), (494, 159170), (572, 137465), (715, 109972), (836, 94055), (988, 79585), (1045, 75244), (1235, 63668), (1430, 54986), (1447, 54340), (2090, 37622), (2470, 31834), (2717, 28940), (2860, 27493), (2894, 27170), (4180, 18811), (4940, 15917), (5434, 14470), (5788, 13585), (7235, 10868)]